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Finding the Fourth Proportional to 615,324.20, 922,899.90 and 194,642.60

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Solution

The fourth proportional to 615,324.20, 922,899.90 and 194,642.60 is: 291,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,324.20 : 922,899.90 = 194,642.60 : x
  2. Step 2: Convert to fraction form
    615,324.20/922,899.90 = 194,642.60/x
  3. Step 3: Cross multiply
    615,324.20x = 922,899.90 × 194,642.60
  4. Step 4: Simplify right side
    615,324.20x = 179,635,636,075.74
  5. Step 5: Solve for x
    x = 179,635,636,075.74/615,324.20
  6. Step 6: Final answer
    x = 291,936.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.